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Biomedical subjects

J R Hanft

Publications and source records attributed to J R Hanft.

11 recordsLinked to original sources
PubMed1992

Posterior tibial tendon dysfunction.

Posterior tibial tendon dysfunction, a common entity, frequently is unrecognized and inappropriately managed. Acutely, pain and swelling are present over the medial ankle and longitudinal arch. Long-standing inflammation can lead to tendon rupture, resulting in a progressive planovalgus or "flat foot" deformity. Plain radiographs illustrate the changes in bony anatomy associated with chronic posterior tibial deficiency, while magnetic resonance imaging scans can identify the three stages of posterior tibial tendon pathology. Most cases are amenable to conservative therapy, including rest and administration of nonsteroidal antiflammatory agents. Often a short period of immobilization in a cast or the use of an orthosis is beneficial. In cases with persistent tenosynovitis, complete tendon rupture, or progressive deformity, surgical intervention is indicated.

Biomechanical Phenomena↗
PubMed1991

An unusual intermetatarsal coalition.

Synostoses commonly occur in the midfoot and rearfoot. However, metatarsal synostosis is a less common phenomenon. Several etiologies have been described. The authors present a case of a fourth-fifth intermetatarsal bar, which does not fit into one of the established categories, along with the surgical technique used in its correction.

Adult↗
PubMed1990

Aneurysmal bone cyst of the cuboid.

Aneurysmal bone cysts are a rare entity encountered in podiatric medicine. The frequency of aneurysmal bone cysts distal to the ankle joint is low. The authors present a literature review of the etiologies and possible treatments of an aneurysmal bone cyst. An unusual case of an aneurysmal bone cyst in the cuboid is also presented. Only one other documented case of an aneurysmal bone cyst in the cuboid has been reported since 1967.

Adult↗
PubMedDate not supplied

Rigid internal fixation of the Austin/Chevron osteotomy with Herbert screw fixation: a retrospective study.

One of the adaptations of the Herbert bone screw (Zimmer Corp., Warsaw, Indiana) in podiatric surgery has been in the fixation of the Austin type osteotomy of the first metatarsal, to obtain rigid internal fixation. Technical difficulties in performing the procedure and complications have resulted in the development of several modifications of the original technique to better facilitate application of the Herbert screw. A brief review of the literature including history of distal metaphyseal osteotomies, and the uses of the Herbert screw is included. The purpose of this manuscript is to present utilization of the Herbert bone screw and modified jig in a modified Austin osteotomy, and to produce rigid internal fixation without the disadvantages of other internal fixation techniques.

Bone Screws↗
PubMedDate not supplied

Oblique metaphyseal osteotomy for the correction of Tailor's bunions: a 3-year review.

This study presents a 3-year review of patients undergoing a fifth metaphyseal osteotomy for the treatment of Tailor's bunions. Postoperative analysis consisted of patient's subjective appraisal, activity level, physical examination, and radiographic studies. The fifth metaphyseal osteotomy, in this study, reduced lateral deviation and fourth-fifth intermetatarsal angles to less than or equal to normal values, while decreasing intermetatarsal head distance and returning the fifth metatarsophalangeal joint to congruency. Patient satisfaction was high while providing a low incidence of transfer lesions. This manuscript demonstrates the fifth metaphyseal osteotomy to be a viable treatment for Tailor's bunions.

Adolescent↗
PubMedDate not supplied

Modifications of the Regnauld osteochondral autogenous graft for correction of hallux limitus/valgus: a 2-year review.

This study compares modifications of Regnauld's enclavement procedure, the in situ "hat-shaped" and in situ "inverted" osteochondral graft. A 2-year retrospective analysis consisted of patients' satisfaction, activity level, first metatarsophalangeal joint range of motion, and radiographic evaluations. The result of this study demonstrates that both the "hat" and "inverted" type grafts are highly successful and satisfactory procedures. However, the "inverted" technique is found to provide faster healing rates and a broader range of motion of the first metatarsophalangeal joint; it is more stable and technically easier to perform. Therefore, the "inverted" graft provides more consistent and predictable results for the treatment of hallux rigidus and hallux valgus.

Activities of Daily Living↗
PubMedDate not supplied

Pseudogout of the ankle: a case study and arthroscopic-assisted treatment.

Chondrocalcinosis, also known as pseudogout, a calcium pyrophosphate dihydrate crystal deposition disease, has been reported in many joints of the human body. A review of the literature reveals few reported cases of pseudogout of the ankle and various uncertainties of the etiology of pseudogout. The authors offer a review of the disease and a case presentation with the use of arthroscopy to assist in the diagnosis and treatment of pseudogout of the ankle.

Aged↗
PubMedDate not supplied

Preliminary report: modifications of the Regnauld osteochondral autogenous graft.

The enclavement procedure was originally described by Bernard Regnauld in 1968. The basal portion of the proximal phalanx of the hallux is used as an osteochondral autogenous graft in the treatment of hallux limitus, hallux rigidus, and hallux valgus. This paper presents a review of Regnauld's techniques, emphasizing an in situ modification of the inverted graft that allows for greater technical ease, increased stability, and improved graft viability, with more rapid incorporation.

Aged↗
PubMedDate not supplied

Metaphyseal osteotomy for the treatment of tailor's bunions.

There have been many surgical approaches described for the surgical treatment of tailor's bunions. The authors have been using a procedure that addresses both an elevated fourth to fifth intermetatarsal angle and an elevated lateral deviation angle, for the past 3 years. The metaphyseal osteotomy provides reliable correction of these two abnormalities and allows for uncomplicated rigid fixation.

Adult↗